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Table 2 Zones of inhibitions of plant extracts against bacterial strains at different concentrations

From: Phytochemical analysis and versatile in vitro evaluation of antimicrobial, cytotoxic and enzyme inhibition potential of different extracts of traditionally used Aquilegia pubiflora Wall. Ex Royle

Bacterial Strains Sample Concentration
Ampicillin 5 mg/mL 4 mg/mL 2 mg/mL 1 mg/mL 0.5 mg/mL
Zone of inhibition in (mm)
Bacillus subtilis APDW 15.4 ± 0.67 10.1 ± 0.20* 8.2 ± 0.31** 8.1 ± 0.27** 6.4 ± 0.19*** 5.7 ± 0.19***
APM 17.1 ± 0.74 12.1 ± 0.38* 11.7 ± 0.34* 10.2 ± 0.29** 7.3 ± 0.24*** 6.2 ± 0.17***
APE 15.8 ± 0.72 12.2 ± 0.39* 9.3 ± 0.32* 6.9 ± 0.22** 6.1 ± 0.18** 4.7 ± 0.21***
APEA 15.5 ± 0.69 10.7 ± 0.43* 9.7 ± 0.26* 6.3 ± 0.21** 5.7 ± 0.19*** 5.2 ± 0.31***
Staphylococcus epidermidis APDW 16.4 ± 0.59 10.3 ± 0.27* 10.1 ± 0.39* 7.3 ± 0.19** 6.2 ± 0.25** 4.4 ± 0.17***
APM 17.3 ± 0.57 10.4 ± 0.22* 8.6 ± 0.29* 6.9 ± 0.24** 5.2 ± 0.17*** 4.1 ± 0.18***
APE 15.4 ± 0.40 12.3 ± 0.21* 10.2 ± 0.44** 10.2 ± 0.37** 8.3 ± 0.31** 5.4 ± 0.24***
APEA 14.8 ± 0.38 11.3 ± 0.39* 8.4 ± 0.31* 6.6 ± 0.28** 6.2 ± 0.19** 4.8 ± 0.17***
Klebsiella pneumoniae APDW 15.9 ± 0.33 11.2 ± 0.47* 10.7 ± 0.42* 8.3 ± 0.37** 7.1 ± 0.29** 5.4 ± 0.19***
APM 16.9 ± 0.61 13.9 ± 0.33* 11.4 ± 0.45* 9.1 ± 0.33** 6.9 ± 0.32*** 6.2 ± 0.23***
APE 15.6 ± 0.39 12.7 ± 0.41* 10.6 ± 0.39* 7.7 ± 0.32** 5.8 ± 0.27*** 5.2 ± 0.22***
APEA 15.2 ± 0.34 13.5 ± 0.62* 12.2 ± 0.53* 9.4 ± 0.32* 8.1 ± 0.29** 6.7 ± 0.28**
Escherichia coli APDW 15.7 ± 0.41 10.8 ± 0.31* 8.3 ± 0.31* 7.0 ± 0.19** 6.3 ± 0.16** 4.8 ± 0.19***
APM 17.2 ± 0.66 12.9 ± 0.59* 12.1 ± 0.51* 9.5 ± 0.35* 7.1 ± 0.28** 5.4 ± 0.19***
APE 15.9 ± 0.54 12.6 ± 0.29* 11.2 ± 0.49* 8.4 ± 0.28** 6.7 ± 0.24*** 6.0 ± 0.21***
APEA 15.5 ± 0.48 11.7 ± 0.31* 10.3 ± 0.34* 9.2 ± 0.19* 7.2 ± 0.21** 5.1 ± 0.22***
Pseudomonas aeruginosa APDW 16.2 ± 0.46 11.1 ± 0.29* 9.2 ± 0.47* 7.7 ± 0.43** 5.9 ± 0.28*** 4.3 ± 0.21***
APM 16.3 ± 0.57 13.6 ± 0.61* 10.1 ± 0.33* 10.4 ± 0.28* 8.4 ± 0.29** 6.9 ± 0.21**
APE 15.4 ± 0.44 12.1 ± 0.29* 11.3 ± 0.41* 8.4 ± 0.44* 6.1 ± 0.32** 4.8 ± 0.19***
APEA 15.9 ± 0.41 11.1 ± 0.22* 9.9 ± 0.33** 7.4 ± 0.39** 7.1 ± 0.27** 5.4 ± 0.19***
  1. Star *–*** represent; *** highly significant, ** slightly significant and * non-significant difference from control at P < 0.05 by one-way ANOVA in the column. Values are mean ± SD of triplicate. Where APDW, APM, APE and APEA stands for Distilled water, Methanol, Ethanol and Ethyl acetate extracts, respectively